Agreement No. CE 67/98 , , Ngau Tam Mei & Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

AGREEMENT NO. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Drainage Improvement Stage 1, Phase 2B – Kam Tin Secondary Drainage Channel KT13

ENVIRONMENTAL IMPACT ASSESSMENT Final Report [382047/E/EIA/Issue 9]

May 2006

Report Authorized For Issue By: For and on Behalf of Black & Veatch Limited

Black & Veatch Hong Kong Limited Drainage Services Department Room 1201-11, Millennium City 5 Project Management Division 418 Kwun tong Road 42/F, Revenue Tower Kowloon 5 Gloucester Road Hong Kong Wan Chai Hong Kong

May 2006 [g\report\ylkt-eia-kt13-6482] ii B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS

Page

1. INTRODUCTION

1.1 Background 1-1 1.2 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai 1-1 Drainage Improvement, Stage 1 1.3 Secondary Drainage Channel KT13 1-5

2. DESCRIPTION OF THE PROJECT

2.1 Location of Designated Project and Existing Environment 2-1 2.2 Secondary Drainage Channel KT13 2-1 2.3 Justifications, Needs and Benefits of the Project 2-4 2.4 Consideration of Alternative Alignments, Channel Lining 2-7 Options and Construction Methods 2.5 Design and Construction Programme 2-16 2.6 Concurrent Projects and Potential Cumulative Impacts 2-16 2.7 Public Consultation 2-17

3. EIAO REQUIREMENTS AND APPROACH TO ASSESSMENT

3.1 Requirements under Environmental Impact Assessment Ordinance 3-1 3.2 Purpose of the EIA Study 3-1 3.3 Approach of the EIA Study 3-2

Name Signature Date

Various compiled by Prepared M. Chua

Checked K.I. Lo

Reviewed Kelvin N.F. Lau

May 2006 [g\report\ylkt-eia-kt13-6482] iii B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS (cont’d)

Page

4. ECOLOGICAL ASSESSMENT

4.1 Introduction 4-1 4.2 Baseline Ecological Conditions 4-1 4.3 Floral Survey Results 4-6 4.4 Fauna Survey Results 4-9 4.5 Egretry and Flight-line Survey Results of Ho Pui and Ma On 4-24 Kong Egretries 4.6 Ecological Evaluation of Different Habitats 4-41 4.7 Potential Ecological Impacts 4-47 4.8 General Recommendations on Ecological Impact Mitigation 4-57 4.9 Proposed Ecological Impact Mitigation Measures at KT13 4-60 4.10 Conclusions 4-65

5. NOISE IMPACT ASSESSMENT

5.1 Introduction 5-1 5.2 Study Area 5-1 5.3 Noise Assessment Criteria 5-2 5.4 Representative Noise Sensitive Receivers 5-3 5.5 Construction Noise Assessment and Mitigation 5-3 5.6 Residual Impact 5-11 5.7 Cumulative Construction Noise Impact 5-12 5.8 Monitoring and Audit Requirements 5-12 5.9 Summary 5-13

6. AIR QUALITY ASSESSMENT

6.1 Introduction 6-1 6.2 Air Quality Assessment Criteria 6-1 6.3 Air Sensitive Receivers 6-2 6.4 Baseline Air Quality 6-2 6.5 Impact Assessment and Mitigation 6-4 6.6 Residual Impacts 6-8 6.7 Monitoring and Audit Requirements 6-8 6.8 Summary 6-8

May 2006 [g\report\ylkt-eia-kt13-6482] iv B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS (cont’d)

Page

7. WATER QUALITY ASSESSMENT

7.1 Introduction 7-1 7.2 Sensitive Receivers and Baseline Water Quality Conditions 7-1 7.3 Identification and Evaluation of Potential Impacts 7-8 7.4 Potential Impacts During Construction Phase 7-8 7.5 Mitigation Measures for Construction Activities 7-10 7.6 Potential Impacts During Operation Phase 7-15 7.7 Mitigation Measures for Operation Phase 7-16 7.8 Residual Impacts 7-18 7.9 Monitoring and Audit Requirements 7-18 7.10 Summary 7-18

8. WASTE MANAGEMENT

8.1 Introduction 8-1 8.2 Sources and Types of Construction and Demolition Materials 8-2 8.3 Quantity of Construction and Demolition Material Arising 8-8 from DP 8.4 Responsibilities for Construction Waste Management 8-11 8.5 Summary 8-16

9. CULTURAL HERITAGE IMPACT ASSESSMENT

9.1 Project Background 9-1 9.2 Objectives of the Cultural Heritage Impact Assessment 9-1 9.3 Outline of the Assessment Approach 9-1 9.4 Study Area 9-2 9.5 Archaeological Field Evaluation 9-4 9.6 Historical Buildings and Structures Survey and Assessment 9-13 9.7 Monitoring and Audit Requirements 9-26 9.8 Cultural Heritage Impact Assessment Summary 9-26

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CONTENTS (cont’d)

Page 10. LANDSCAPE AND VISUAL IMPACT ASSESSMENT

10.1 Introduction 10-1 10.2 Environmental Legislation and Guidelines 10-2 10.3 Assessment Methodology 10-2 10.4 Scope and Content of the Study 10-7 10.5 Planning and Development Control Framework 10-8 10.6 Comments on Landscape and Visual Issues received during Previous Consultants 10-8 10.7 Baseline Study 10-9 10.8 Landscape Impact Assessment 10-16 10.9 Visual Impact Assessment 10-26 10.10 Conclusion 10-34

11. ENVIRONMENTAL MONITORING AND AUDIT REQUIREMENTS

11.1 Introduction 11-1 11.2 EM&A Requirements 11-2 11.3 Construction Program 11-7 11.4 Monitoring Locations 11-7

12. CONCLUSIONS AND RECOMMENDATIONS

12.1 Location of Designated Project and Existing Environment 12-1 12.2 Secondary Drainage Channel KT13 12-1 12.3 Consideration of Alternative Alignments and Channel Lining 12-1 Options 12.4 Design and Construction Programme 12-3 12.5 Key Environmental Issues 12-3 12.6 Conclusion 12-10

END OF TEXT

May 2006 [g\report\ylkt-eia-kt13-6482] vi B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS (cont’d)

APPENDICES

Appendix A EIA Study Brief Appendix B Evaluation of Possible Alignment Options for the Bypass Culvert Appendix C Ecological Forms for Field Survey Appendix D NOT USED Appendix E Floral Species and their Relative Abundance found within the Study Area Appendix F Construction Noise Information and Calculations Appendix G1 Results of Sediment and Water Quality Sampling in 2000 Appendix G2 Results of Sediment Sampling in 2005 Appendix H Test Pit Excavation Results and Section Drawings Appendix I1 Auger Testing Results Appendix I2 Historical Buildings and Structure Catalogue Appendix J Mitigation Measures Implementation Schedule Appendix K Construction and Demolition Material Management Plan (C&D MMP) for Secondary Drainage Channel KT13

LIST OF TABLES

Table 2.1 Evaluation of Alignment Options for Section of Bypass Channel Table 2.2 Concurrent Projects Table 2.3 Summary of Continuous Public Involvement Table 2.4 Summary of the Comments and Recommendations received during the Public Consultation

Table 3.1 Environmental Issues Addressed in this EIA Report

Table 4.1 Habitat Types and Areas within the Study Area Table 4.2 Habitat Types and Areas within the Project Area Table 4.3a Belt Transect Floral Survey Results (Upstream Section) Table 4.3b Belt Transect Floral Survey Results (Mid Section) Table 4.4 Faunal Surveys of KT13 - Summary of Methodologies Table 4.5a Bird Species Recorded in the KT13 Study Area during the Present Study and in the HKBWS Breeding Bird Survey and Their Probable Status Table 4.5b Characteristic Habitat Utilization and Status of Bird Species Recorded from the Study Area Table 4.6 Wetland Dependent Species Recorded in the Study Area Table 4.7 Odonates Observed in the Study Area

May 2006 [g\report\ylkt-eia-kt13-6482] vii B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS (cont’d)

LIST OF TABLES (cont’d)

Table 4.8 Butterfly Species Observed in the Study Area Table 4.9 Bird Species of Potential and Actual Conservation Concern with respect to their Use of the Study Area Table 4.10 Number of Pairs of Breeding Egrets at Ho Pui during Summer 2000 Table 4.11 Number of Pairs of Breeding Egrets at Ma On Kong during Summer 2000 Table 4.12 Brood Size and Frequency at Ho Pui Egretry during June 2000 Table 4.13 Brood Size and Frequency at Ma On Kong Egretry during June 2000 Table 4.14 Number of Pairs of Breeding Egrets at Kam Tin during Summer 2000 Table 4.15 Summary of Brood Size in Hong Kong Egretries during 1999 Table 4.16 Number of Pairs of Breeding Egrets at Ho Pui 2000 – 2005 Table 4.17 Number of Pairs of Breeding Egrets at Ma On Kong 2000 – 2005 Table 4.18 Number of Pairs of Breeding Egrets at Kam Tin Shui Mei 2000 – 2005 Table 4.19 Number of Pairs of Breeding Egrets at Tung Shing Lei () 2000 – 2005 Table 4.20 Total Number of Pairs of Breeding Egrets in the Kam Tin Area 2000 – 2005 Table 4.21 Details of Distances Flown by Egrets at Ho Pui and Ma On Kong Egretries, Summer 2000 Table 4.22 Habitat Selection of Egrets at Ho Pui and Ma On Kong Egretries, Summer 2000 Table 4.23 Ecological Evaluation of Woodlands Table 4.24 Ecological Evaluation of Shrublands Table 4.25 Ecological Evaluation of Marsh Table 4.26 Ecological Evaluation of Fishponds Table 4.27 Ecological Evaluation of Stream (KT13) Table 4.28 Ecological Evaluation of Low-lying Grasslands/ Fallow Land Table 4.29 Ecological Evaluation of Hillside Grasslands Table 4.30 Ecological Evaluation of Agricultural Lands Table 4.31 Ecological Evaluation of Orchard/ Horticultural Land Table 4.32 Ecological Evaluation of Urban and Industrial Area (UIA)/Bare Ground/ Works in Progress Table 4.33 Ecological Evaluation of Drainage Channel Table 4.34 Direct habitat loss arising from construction of the Secondary Drainage Channel KT13 Table 4.35 Tree and bamboo species to be used in compensatory planting area

May 2006 [g\report\ylkt-eia-kt13-6482] viii B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS (cont’d)

LIST OF TABLES (cont’d)

Table 5.1 Technical Memorandum on EIA Process Daytime Construction Noise Standards Table 5.2 Details of the Existing NSRs Close to KT13 Table 5.3 Predicted (Unmitigated) Construction Noise Levels Table 5.4a Predicted (Mitigated) Construction Noise Levels for Site Clearance Table 5.4b Predicted (Mitigated) Construction Noise Level for Excavation of Channel Table 5.4c Predicted (Mitigated) Construction Noise Level for Formwork Construction Table 5.4d Predicted (Mitigated) Construction Noise Level for Concreting Works Table 5.5 Summary of Proposed Construction Noise Mitigation Measures

Table 6.1 Hong Kong Air Quality Objectives (AQOs) Table 6.2 Representative Air Sensitive Receivers (ASRs) Table 6.3 Air Pollutants Concentrations at Yuen Long EPD Station (2003)

Table 7.1 Field Observations at Existing Streams to be Modified under Ma On Kong Table 7.2a Summary of EPD Water Quality Data for Yuen Long Creek in 1998 to 2000 Table 7.2b Summary of EPD Water Quality Data for Yuen Long Creek in 2001 to 2003 Table 7.3a Summary of EPD Water Quality Data for Kam Tin River and Tin Shui Wai Nullah in 1998 to 2000 Table 7.3b Summary of EPD Water Quality Data for Kam Tin River and Tin Shui Wai Nullah in 2001 to 2003 Table 7.4 Summary of Impacts from Construction Activities Table 7.5 Summary of Mitigation measures for Construction Impacts Table 7.6 Summary of Mitigation Measures for Minimising Operational Impacts

Table 8.1a Breakdown of Surplus Material Types and Volumes Likely to Arise During Construction of KT13 Table 8.1b Method and Programme of the Disposal of Construction and Demolition Materials (m³) Table 8.1c Summary of Estimated Quantity of Construction and Demolition Materials (m³) Arising from this Designated Project Table 8.2 Construction Wastes Generated by the Proposed Works Table 8.3 Potential for Recycling and Reuse and Disposal Options for Different Construction Waste Type Table 8.4 Responsibilities for Waste Collection, Recycling and Disposal during the Construction Phase

May 2006 [g\report\ylkt-eia-kt13-6482] ix B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS (cont’d)

LIST OF TABLES (cont’d)

Table 9.1 Summary of the Archaeological Findings in Each Unit Table 9.2 Distance and Orientation of the Cultural Heritage Features to the Proposed Development, Existing Land Use in the Area and Future Land Use Plans Table 9.3 Mitigation Recommendations for the Cultural Heritage Resources in the Study Area

Table 10.1 Relationship between Receptor Sensitivity and Impact Magnitude in Defining Impact Significance Table 10.2 Proposed Construction Phase Landscape Mitigation Measures Table 10.3 Proposed Operation Phase Landscape Mitigation Measures Table 10.4 Significance of Landscape Impacts in Construction and Operation Phases Table 10.5 Significance of Visual Impacts in Construction and Operation Phases

Table 11.1 Summary of EM&A Requirements Table 11.2 Framework for Environmental Monitoring Plan Table 11.3 Air Quality Monitoring Stations Table 11.4 Noise Monitoring Stations Table 11.5 Water Quality Monitoring Stations Table 11.6 Sediment Quality Monitoring Stations Table 11.7 Cultural Heritage Resources Requiring Condition Survey during Construction Phase Table 11.8 Ecological Resources Requiring EM&A Under this Project

LIST OF FIGURES

Figure 1.1 Locations of Drainage Improvement Works

Figure 2.1 KT13 and its Relation with Catchments in Northwest Figure 2.2a Ma On Kong Channel KT13 Proposed Layout Plan (Sheet 1 of 2) Figure 2.2b Ma On Kong Channel KT13 Proposed Layout Plan (Sheet 2 of 2) Figure 2.3 Physical and Planning Constraints to the Possible Alignment of KT13 Figure 2.4 Typical Gabion Bank Construction for Trapezoidal Channel

May 2006 [g\report\ylkt-eia-kt13-6482] x B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS (cont’d)

LIST OF FIGURES (cont’d)

Figure 4.1 Habitat Map for KT13 Figure 4.2 Sampling Locations and Significant Findings for Flora and Fauna Survey (KT13) Figure 4.3 Locations of Ecological Sensitive Receivers [Figure 4.4 – 4.12 can be found within the main text] Figure 4.4 Number of Pairs of Egrets Breeding at Ho Pui during 1991-2000 Figure 4.5 Number of Pairs of Egrets Breeding at Ma On Kong during 1995-2000 Figure 4.6 Number of Chinese Pond Herons Breeding at Ho Pui, Ma On Kong and Kam Tin Shui Mei during 1991-2000 Figure 4.7 Distance from Egretry and Number of Birds for Ho Pui and Ma On Kong, Summer 2000 Figure 4.8 Flight Direction and Distance Flown from the Egretry Figure 4.9 Direction of Flight and Distance Traveled for Little Egret Figure 4.10 Direction of Flight and Distance Traveled for Cattle Egret Figure 4.11 Direction of Flight and Distance Traveled for Chinese Pond Heron (Ho Pui) Figure 4.12 Direction of Flight and Distance Traveled for Chinese Pond Heron (Ma On Kong) Figure 4.13 Proposed Mitigation Measures for Ecological Impact

Figure 5.1 Location and Extent of Noise Study Area (300 m from Proposed Works) Figure 5.2 Locations of Representative Noise Sensitive Receivers Figure 5.3 Locations of Proposed Temporary Noise Barriers

Figure 6.1 Locations of Representative Air Sensitive Receivers Figure 6.2 Wind Rose for Station

Figure 7.1 Previous Water Quality Sediment Quantity Monitoring Locations used in Year 2000 Survey with respect to Current Proposed KT13 Alignment Figure 7.2 Typical Section of Sedimentation Area Figure 7.3 Schematic Design for Temporary Drainage Diversion

Figure 8.1 Sediment Sampling Locations, Sediment Classification and Sediment Disposal Type for KT13

Figure 9.1 Map of the Study Area (1:7000) Figure 9.2 Map of the Study Area Showing the Location of the Archaeological Units 1 to 3 with relationship to historical villages in close proximity and the Ho Pui Archaeological Site (1:7000)

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CONTENTS (cont’d)

LIST OF FIGURES (cont’d)

Figure 9.3 Map of the Study Area Showing Portions where Surface Field Scan was Possible and carried out, with relationships to historical villages in close proximity and the Ho Pui Archaeological Site (1:7000) Figure 9.4 Map Showing the location of the run KT13-02-01 and the two graves KT13–02-02 and KT13-02-03 Figure 9.5 Map of Unit 1 Showing Location of Auger Holes 1-27 and Test Pits 1 and 2 Figure 9.6 Map of Unit 2 Showing Locations of Auger Holes 28-54 and Test Pits 3 and 4 Figure 9.7 Map Showing the Auger Hole Tests and Test Pit 5 and 6 Locations in Unit 3 Figure 9.8 North Section of Test Pit Number 5 Figure 9.9 North Section of Test Pit Number 6 Figure 9.10 Map of Ho Pui Showing the Location of Each of the Historical Buildings and Structures Figure 9.11 Map of Tai Kek Showing the Location of Each of the Historical Buildings and Structures Figure 9.12 Map of Ma On Kong Showing the Location of Each of the Historical Buildings and Structures Figure 9.13 Map of the Area West of Ho Pui Showing the Location of Each of the Historical Buildings and Structures Figure 9.14 Map of the Area East of Ma On Kong Showing the Location of the Shrine Located there Figure 9.15a Location of All Cultural Heritage Features within the Study Area Figure 9.15b Location of All Cultural Heritage Features within the Study Area

D-001 Ma On Kong Channel KT13 - Planning and Development Control Framework Review LR-001 Ma On Kong Channel KT13 - Landscape Resource Baseline PR-001 Ma On Kong Channel KT13 - Landscape Resource Photos (Sheet 1 of 2) PR-002 Ma On Kong Channel KT13 - Landscape Resource Photos (Sheet 2 of 2) LRI-001 Ma On Kong Channel KT13 - Residue Impact on Landscape Resource - Construction Phase LRI-002 Ma On Kong Channel KT13 - Residue Impact on Landscape Resource - Operation Phase (day 1) LRI-003 Ma On Kong Channel KT13 - Residue Impact on Landscape Resource - Operation Phase (10 Years) LC-001 Ma On Kong Channel KT13 - Landscape Character Baseline PC-001 Ma On Kong Channel KT13 - Landscape Character Photos (Sheet 1 of 2) PC-002 Ma On Kong Channel KT13 - Landscape Character Photos (Sheet 2 of 2)

May 2006 [g\report\ylkt-eia-kt13-6482] xii B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS (cont’d)

LIST OF FIGURES (cont’d)

LCI-001 Ma On Kong Channel KT13 - Residue Impact on Landscape Character - Construction Phase LCI-002 Ma On Kong Channel KT13 - Residue Impact on Landscape Character - Operation Phase (day 1) LCI-003 Ma On Kong Channel KT13 - Residue Impact on Landscape Character - Operation Phase (10 Years) V-001 Ma On Kong Channel KT13 - VSRs baseline for Primary ZVI V-002 Ma On Kong Channel KT13 - VSRs baseline for Secondary ZVI PV-001 Ma On Kong Channel KT13 - VSRs Photos (Sheet 1 of 2) PV-002 Ma On Kong Channel KT13 - VSRs Photos (Sheet 2 of 2) VI-001 Ma On Kong Channel KT13 - Residue Visual Impact - Construction Phase VI-002 Ma On Kong Channel KT13 - Residue Visual Impact - Operation Phase (day 1) VI-003 Ma On Kong Channel KT13 - Residue Visual Impact - Operation Phase (10 Years) LP-001 Ma On Kong Channel KT13 - Landscape Mitigation Plan (Sheet 1 of 2) LP-002 Ma On Kong Channel KT13 - Landscape Mitigation Plan (Sheet 2 of 2) PM-001 Ma On Kong Channel KT13 - Photomontages PM-002 Ma On Kong Channel KT13 - Photomontages PM-003 Ma On Kong Channel KT13 – Photomontages PM-004 Ma On Kong Channel KT13 - Photomontages

Figure 11.1 Proposed Air Monitoring Locations and Representative Air Sensitive Receivers Figure 11.2 Proposed Noise Monitoring Locations and Representative Noise Sensitive Receivers Figure 11.3a Locations of Water Quality and Sediment Quality Monitoring Stations Figure 11.3b Locations of Water Quality and Sediment Quality Monitoring Stations Figure 11.4 Locations of Cultural Heritage Resources Monitoring Figure 11.5 Ecology Monitoring Areas Recommended for Construction Phase and Operation Phase

Figure B1 Possible Alternative Alignments for the Bypass Culvert and Physical and Planning Constraints

Figure F1 Cross Section View of Construction Site and Proposed Noise Barriers

Figure K1 KT13 and its relation with catchments in Northwest New Territories Figure K2a Ma On Kong Channel KT13 Proposed Layout Plan (Sheet 1 of 2) Figure K2b Ma On Kong Channel KT13 Proposed Layout Plan (Sheet 2 of 2)

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CONTENTS (cont’d)

LIST OF PLATES

Plate 4.1 Woodland north of the Ho Pui Egretry Plate 4.2 Shrubland behind Ma On Kong Plate 4.3 Marsh Showing Two of the Dominant Plants, Colocasia esculenta, and Commelina nudiflora Plate 4.4 An abandoned pond at the upstream section of the KT13 The water surface was covered with Eichhornia crassipes Plate 4.5 A stream section, southwest of the Ho Pui Village Plate 4.6 Grassland east of the Ho Pui Village Plate 4.7 Hillside grassland behind Ma On Kong Plate 4.8 Agricultural land east of Cheung Po Village Plate 4.9 Orchard north of the Ho Pui Village Plate 4.10 Michelia elba in Cheung Po Plate 4.11 Michelia figo in Ma On Kong Plate 4.12 Rhododendron championae in the Shrubland behind Ma On Kong Plate 4.13 Dead Chinese Cobra Naja atra at KT13 Plate 4.14 Dead Musk Shrew Suncus murinus at KT13 Plate 4.15 Top: Cattle Egret standing on a pile of mud in the Ho Pui Egretry Bottom: The overview of the Ho Pui Egretry Plate 4.16 Ma On Kong Egretry Plate 4.17 A Breeding Chinese Pond Heron Aideola bacchus standing on a Fruit Tree in the Egretry Plate 4.18 Le Seine River near Giverny, France Rocks on Channel Margin for Protection against Erosion Plate 4.19 Gabion Lined River Banks in Maryland, US Plate 4.20 Gabion Lined Stream Bank and Bottom in Scidy, Italy Plate 4.21 Channel Improvement with Gabions at Spadina Canal, Toronto, Canada Scenes 1 to 3 show Establishment of Habitat in Progress Plate 4.22 Gabion Channels in Mui Wo, Lantau Island

Plate 9.1 Finds from Auger hole tests 14 (right) and 15 (left) in Unit 3 Plate 9.2 Test Pit 5, context 2 Plate 9.3 Test Pit 5, context 4 (left) and context 5 (right) Plate 9.4 Test Pit 6, context 1 Plate 9.5 Test Pit 6, context 2 Plate 9.6 Test Pit 6, large vessel recorded in context 3 Plate 9.7 Test Pit 6, context 4 Plate 9.8 Test Pit 6, context 4. Sherd from within the large vessel

May 2006 [g\report\ylkt-eia-kt13-6482] xiv B&V Agreement No. CE 67/98 Yuen Long, Kam Tin, Ngau Tam Mei & Tin Shui Wai Environmental Impact Assessment Drainage Improvement, Stage 1, Phase 2B – Kam Tin Final Report Secondary Drainage Channel KT13 382047/E/EIA/Issue 9

CONTENTS (cont’d)

LIST OF PLATES (cont’d)

Plate 9.9 Aerial View of the Study Area, 8.5.49 (Y 01904, sheet no.6) Plate 9.10 Aerial View of the Study Area, 20.10.64 (Y 11598, sheet no.6) Plate 9.11 Aerial View of the Study Area, 20.10.64 (Y 11599, sheet no.6) Plate 9.12 Aerial View of the Study Area, 8.2.99 (CN 22574, sheet no.6)

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